10.2 Mitosis I. Cell ____________ A. G1 – Cell Growth S – DNA Copied G2 – Grow & Prepare for Mitosis M – Mitosis – nucleus replicates & separates C – ____________ - cytoplasm separates - cell division Interphase

II. ____________ A. The nucleus divides to form two nuclei each with a complete set of chromosomes B. Stages 1. ____________ a. chromosomes become visible b. nuclear envelope disappears c. spindle fibers form

2. ____________ a. chromosome move to equator b. attach to spindle fibers

3. ____________ a. chromatids separate as spindle fibers shorten

4. ____________ a. spindle fibers disappear b. new nuclear envelope forms around separate chromatids (aka new chromosomes)